首页|Femtosecond laser 3D printed micro objective lens for ultrathin fiber endoscope
Femtosecond laser 3D printed micro objective lens for ultrathin fiber endoscope
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The most important optical component in an optical fiber endoscope is its objective lens.To achieve a high imaging performance level,the development of an ultra-compact objective lens is thus the key to an ultra-thin optical fiber endoscope.In this work,we use femtosecond laser 3D printing to develop a series of micro objective lenses with different optical designs.The imaging resolution and field-of-view performances of these printed micro objective lenses are investigated via both simulations and experiments.For the first time,multiple micro objective lenses with different fields of view are printed on the end face of a single imaging optical fiber,thus realizing the perfect integration of an optical fiber and objective lenses.This work demonstrates the considerable potential of femtosecond laser 3D printing in the fabrication of micro-optical systems and provides a reliable solution for the development of an ultrathin fiber endoscope.
Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education/Guangdong Province,College of Physics and Optoelectronic Engineering,Shenzhen University,Shenzhen 518060,China
Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things,Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors,Shenzhen University,Shenzhen 518060,China
School of Electronic and Communication Engineering,Shenzhen Polytechnic University,Shenzhen 518055,China
深圳市科技计划Shenzhen Key Laboratory of Ultrafast Laser Micro/Nano Manufacturing广东省自然科学基金国家自然科学基金国家自然科学基金
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